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XLR to RCA conversion

I have learned that my Manley monoblocks perform better using a single-ended input, rather than the balanced cable I am using.

If I were to buy the Cardas converters that would enable me to convert the XLR to an RCA at the amp end, would I (1) have to do the same at the Audio Aero Capitole output end or could I just convert the input or amp end of the connection?

I have to use my 40 foot balanced interconnects and want to go single-ended at the amps and HOPEFULLY still get the benefit of a balanced cable and the noise rejection it provides.

Thanks in advance for your help.
gerryn
tvad
9,467 posts
 
Howie, I went through the same puzzle and used both adapters and a specialty cable. For me, having been through the process, adapters are the way to go. I didn't notice any sonic difference between the adapters and the custom cable, and the adapters are easier to resell if and when you reconfigure your system. Less expensive too by a long stretch.
howie
230 posts
 
Well I have a balanced Placette linestage which I can choose to have single ended inputs installed. So I'm deciding whether to get that modification or simply get a RCA to XLR cable.
gerryn's avatar
gerryn OP
141 posts
 
I added a pair of Cardas single-ended adapters to the amp end of the interconnects and all I get is a buzzing sound thru my speakers. I turned everything else off in the room and still get the same buzzzzzzzzzz.

Maybe it's because I didn't put the same adapters on the source end of my interconnects?

Any input will be appreciated. thanks
gerryn's avatar
gerryn OP
141 posts
 
I've eliminated the ground loop hum and the change to single-ended at the amp end is remarkable. Much better soundstage and slamm. In addition, I was surprised to see that I got greater GAIN by using the single-ended amp connections at the amp end. This is exactly the opposite of what I expected since XLR's normally provide a 6dB gain. I plan to call Manley and discuss, but if you're a Manley owner, you must use single-ended at the amp end to get the full potential of these fine amps.

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